Belt buckle



FIG. 1 is a perspective view of a belt buckle showing my new design;

FIG. 2 is a perspective view, shown in an open position;

FIG. 3 is a front elevational view of FIG. 1;

FIG. 4 is a side elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1; and,

FIG. 6 is a top plan view of FIG. 1. 

The ornamental design for a belt buckle, as shown and described. 